opensim/OpenSim/OpenSim.Physics/Manager/PhysicsScene.cs

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using System;
using System.Collections.Generic;
using System.Text;
using OpenSim.Framework.Console;

namespace OpenSim.Physics.Manager
{
    public abstract class PhysicsScene
    {
        public static PhysicsScene Null
        {
            get
            {
                return new NullPhysicsScene();
            }
        }

        public abstract PhysicsActor AddAvatar(PhysicsVector position);

        public abstract void RemoveAvatar(PhysicsActor actor);

        public abstract PhysicsActor AddPrim(PhysicsVector position, PhysicsVector size);

        public abstract void Simulate(float timeStep);

        public abstract void GetResults();

        public abstract void SetTerrain(float[] heightMap);
        
        public abstract void DeleteTerrain();

        public abstract bool IsThreaded
        {
            get;
        }
    }

    public class NullPhysicsScene : PhysicsScene
    {
        private static int m_workIndicator;

        public override PhysicsActor AddAvatar(PhysicsVector position)
        {
            OpenSim.Framework.Console.MainConsole.Instance.WriteLine(LogPriority.VERBOSE,"NullPhysicsScene : AddAvatar({0})", position);
            return PhysicsActor.Null;
        }

        public override void RemoveAvatar(PhysicsActor actor)
        {

        }

        public override PhysicsActor AddPrim(PhysicsVector position, PhysicsVector size)
        {
            OpenSim.Framework.Console.MainConsole.Instance.WriteLine(LogPriority.VERBOSE, "NullPhysicsScene : AddPrim({0},{1})", position, size);
            return PhysicsActor.Null;
        }

        public override void Simulate(float timeStep)
        {
            m_workIndicator = (m_workIndicator + 1) % 10;

            //OpenSim.Framework.Console.MainConsole.Instance.SetStatus(m_workIndicator.ToString());
        }

        public override void GetResults()
        {
            OpenSim.Framework.Console.MainConsole.Instance.WriteLine(LogPriority.VERBOSE, "NullPhysicsScene : GetResults()");
        }

        public override void SetTerrain(float[] heightMap)
        {
            OpenSim.Framework.Console.MainConsole.Instance.WriteLine(LogPriority.VERBOSE, "NullPhysicsScene : SetTerrain({0} items)", heightMap.Length);
        }

        public override void DeleteTerrain()
        {

        }

        public override bool IsThreaded
        {
            get { return false; }
        }
    }
}